Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CR/JohnJohnson_ChoiceCollectionVol8-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2433-JohnJohnson_ChoiceCollectionVol8-V1.ps) >>/Users/jc/w/tmp/Tune-2433-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CR/JohnJohnson_ChoiceCollectionVol8-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-2433-JohnJohnson_ChoiceCollectionVol8-V1.abc 170 ABC music file with the extracted tune(s)
Tune-2433-JohnJohnson_ChoiceCollectionVol8-V1.ps 6 PostScript
Tune-2433-JohnJohnson_ChoiceCollectionVol8-V1.txt 170 Plain-text file with the extracted tune(s)
Tune-2433-get.log 4577 Log file, useful mostly for debugging
Tune-24330-get.log 9229 Log file, useful mostly for debugging
Tune-24332-get.log 4471 Log file, useful mostly for debugging
Tune-24335-get.log 7196 Log file, useful mostly for debugging
Tune-24336-24CountryDances_1767_Thompson.abc 165 ABC music file with the extracted tune(s)
Tune-24336-24CountryDances_1767_Thompson.txt 165 Plain-text file with the extracted tune(s)
Tune-24336-get.log 3520 Log file, useful mostly for debugging
Tune-24337-get.log 4883 Log file, useful mostly for debugging
Tune-24339-get.log 6558 Log file, useful mostly for debugging
These files should be available for 24 hours.